1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
|
#include "is_equal.h"
#include "traits.h"
#include <google/protobuf/descriptor.h>
#include <util/generic/yexception.h>
#include <util/string/cast.h>
#include <util/string/vector.h>
namespace NProtoBuf {
template <bool useDefault>
static bool IsEqualImpl(const Message& m1, const Message& m2, TVector<TString>* differentPath);
namespace {
template <FieldDescriptor::CppType CppType, bool useDefault>
struct TCompareValue {
typedef typename TCppTypeTraits<CppType>::T T;
static inline bool IsEqual(T value1, T value2, TVector<TString>*) {
return value1 == value2;
}
};
template <bool useDefault>
struct TCompareValue<FieldDescriptor::CPPTYPE_MESSAGE, useDefault> {
static inline bool IsEqual(const Message* value1, const Message* value2, TVector<TString>* differentPath) {
return NProtoBuf::IsEqualImpl<useDefault>(*value1, *value2, differentPath);
}
};
template <FieldDescriptor::CppType CppType, bool useDefault>
class TCompareField {
typedef TCppTypeTraits<CppType> TTraits;
typedef TCompareValue<CppType, useDefault> TCompare;
public:
static inline bool IsEqual(const Message& m1, const Message& m2, const FieldDescriptor& field, TVector<TString>* differentPath) {
if (field.is_repeated())
return IsEqualRepeated(m1, m2, &field, differentPath);
else
return IsEqualSingle(m1, m2, &field, differentPath);
}
private:
static bool IsEqualSingle(const Message& m1, const Message& m2, const FieldDescriptor* field, TVector<TString>* differentPath) {
bool has1 = m1.GetReflection()->HasField(m1, field);
bool has2 = m2.GetReflection()->HasField(m2, field);
if (has1 != has2) {
if (!useDefault || field->is_required()) {
return false;
}
} else if (!has1)
return true;
return TCompare::IsEqual(TTraits::Get(m1, field),
TTraits::Get(m2, field),
differentPath);
}
static bool IsEqualRepeated(const Message& m1, const Message& m2, const FieldDescriptor* field, TVector<TString>* differentPath) {
int fieldSize = m1.GetReflection()->FieldSize(m1, field);
if (fieldSize != m2.GetReflection()->FieldSize(m2, field))
return false;
for (int i = 0; i < fieldSize; ++i)
if (!IsEqualRepeatedValue(m1, m2, field, i, differentPath)) {
if (!!differentPath) {
differentPath->push_back(ToString(i));
}
return false;
}
return true;
}
static inline bool IsEqualRepeatedValue(const Message& m1, const Message& m2, const FieldDescriptor* field, int index, TVector<TString>* differentPath) {
return TCompare::IsEqual(TTraits::GetRepeated(m1, field, index),
TTraits::GetRepeated(m2, field, index),
differentPath);
}
};
template <bool useDefault>
bool IsEqualField(const Message& m1, const Message& m2, const FieldDescriptor& field, TVector<TString>* differentPath) {
#define CASE_CPPTYPE(cpptype) \
case FieldDescriptor::CPPTYPE_##cpptype: { \
bool r = TCompareField<FieldDescriptor::CPPTYPE_##cpptype, useDefault>::IsEqual(m1, m2, field, differentPath); \
if (!r && !!differentPath) { \
differentPath->push_back(field.name()); \
} \
return r; \
}
switch (field.cpp_type()) {
CASE_CPPTYPE(INT32)
CASE_CPPTYPE(INT64)
CASE_CPPTYPE(UINT32)
CASE_CPPTYPE(UINT64)
CASE_CPPTYPE(DOUBLE)
CASE_CPPTYPE(FLOAT)
CASE_CPPTYPE(BOOL)
CASE_CPPTYPE(ENUM)
CASE_CPPTYPE(STRING)
CASE_CPPTYPE(MESSAGE)
default:
ythrow yexception() << "Unsupported cpp-type field comparison";
}
#undef CASE_CPPTYPE
}
}
template <bool useDefault>
bool IsEqualImpl(const Message& m1, const Message& m2, TVector<TString>* differentPath) {
const Descriptor* descr = m1.GetDescriptor();
if (descr != m2.GetDescriptor()) {
return false;
}
for (int i = 0; i < descr->field_count(); ++i)
if (!IsEqualField<useDefault>(m1, m2, *descr->field(i), differentPath)) {
return false;
}
return true;
}
bool IsEqual(const Message& m1, const Message& m2) {
return IsEqualImpl<false>(m1, m2, nullptr);
}
bool IsEqual(const Message& m1, const Message& m2, TString* differentPath) {
TVector<TString> differentPathVector;
TVector<TString>* differentPathVectorPtr = !!differentPath ? &differentPathVector : nullptr;
bool r = IsEqualImpl<false>(m1, m2, differentPathVectorPtr);
if (!r && differentPath) {
*differentPath = JoinStrings(differentPathVector.rbegin(), differentPathVector.rend(), "/");
}
return r;
}
bool IsEqualDefault(const Message& m1, const Message& m2) {
return IsEqualImpl<true>(m1, m2, nullptr);
}
template <bool useDefault>
static bool IsEqualFieldImpl(
const Message& m1,
const Message& m2,
const FieldDescriptor& field,
TVector<TString>* differentPath) {
const Descriptor* descr = m1.GetDescriptor();
if (descr != m2.GetDescriptor()) {
return false;
}
return IsEqualField<useDefault>(m1, m2, field, differentPath);
}
bool IsEqualField(const Message& m1, const Message& m2, const FieldDescriptor& field) {
return IsEqualFieldImpl<false>(m1, m2, field, nullptr);
}
bool IsEqualFieldDefault(const Message& m1, const Message& m2, const FieldDescriptor& field) {
return IsEqualFieldImpl<true>(m1, m2, field, nullptr);
}
}
|
